package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * @author jay
 * 分类管理
 */
@Slf4j
@RestController
@RequestMapping("/category")
public class CategoryController {

    @Autowired
    private CategoryService categoryService;

    /**
     * 新增分类
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category){
        categoryService.save(category);
        return R.success("新增分类成功");
    }

    /**
     * 分页查询
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize){
        log.info("page = {}, pageSize = {}",page, pageSize);
        //创建分页构造器Page类,传入page,pageSize
        Page<Category> PageInfo = new Page<>(page,pageSize);
        //创建条件构造器Wrapper类
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加排序条件
        queryWrapper.orderByAsc(Category::getSort);
        //调用Mapper,执行分页查询page
        categoryService.page(PageInfo,queryWrapper);
        return R.success(PageInfo);
    }

    /**
     * 按id删除
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String> delete(Long id){
        log.info("ids = {}",id);
        categoryService.remove(id);
        return R.success("分类信息删除成功");
    }

    /**
     * 修改
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody Category category) {
        //修改
        categoryService.updateById(category);
        return R.success("修改分类信息成功");
    }

    /**
     * 根据条件查询分类数据
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加分类条件
        queryWrapper.eq(category.getType() != null,Category::getType, category.getType());
        //添加排序条件
        queryWrapper.orderByAsc(Category::getUpdateTime);
        List<Category> list = categoryService.list(queryWrapper);
        return R.success(list);
    }

}
